New Delhi: Diamond is one of the most wanted mining products ever. There are few diamonds which any person on this earth would wish to be owner of , they are the most expensive diamonds
7. Wittelsbach Diamond
It is also known as is also known as Der Blaue Wittelsbacher.It is is 35. 56 carat (7.11 g) blue diamond with VS 2 clarity that has been appreciated by the nobility of Europe for centuries.